transmission of TM card TM卡数据传输
tm-card-based water meter tm卡水表
Multi Media Card TM 手机中的多媒体卡
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The characteristics of a TM card and its reading-writing circuit and software program are discussed in detail, and a design of TM card watt-hour meter is introduced in brief.
详细讨论了TM卡的特点及其读写电路和软件程序，并简要介绍了一种TM卡收费电表的设计。
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